How many secondary replicas are configured?

Question

Each availability group supports one primary replica and up to eight secondary replicas. For more information, see Overview of Always On Availability Groups (SQL Server). Each availability replica must reside on a different node of a single Windows Server Failover Clustering (WSFC) cluster. 27 июн. 2022 г.

How many secondary replicas are supported by an AlwaysOn availability group?

Up to eight secondary replicas are supported, including one primary replica and two synchronous-commit secondary replicas.

How many secondary replicas are there in SQL Server 2016?

Up to 8 secondary replicas, including 2 synchronous secondary replicas (SQL Server 2016) Up to 8 secondary replicas, including 2 synchronous secondary replicas (SQL Server 2017) Up to 8 secondary replicas, including 5 synchronous secondary replicas (SQL Server 2019)

How many synchronous secondary replicas can I have in always on?

To configure an availability group for automatic failover, you need to set both the current primary replica and at least one secondary replica to synchronous-commit mode with automatic failover. You can have up to three automatic failover replicas.

How many synchronous secondary replicas are there in SQL Server 2014?

With SQL Server 2014, AlwaysOn Availability Groups now supports up to eight secondary replicas.

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